Stadium: Court 3 Round: 44 Ground: Clay
| ITF M15 Warmbad-Villach | 2021/08/16 12:30 | Philip Bachmaier v Gonzalo Achondo | 6-1,6-3 |
| ITF M15 Warmbad-Villach | 2021/08/16 12:30 | Philip Bachmaier v Gonzalo Achondo | 6-1,6-3 |
| ITF M15 Warmbad-Villach | 2021/08/16 07:00 | Ivan Kazakov v Gonzalo Achondo | 6-3,0-6,8-10 |
| ITF M15 Xativa | 2021/08/02 07:00 | Francisco Andreu Garcia v Gonzalo Achondo | 6-3,6-1 |
| ITF USA F40 Qual | 2017/12/03 18:00 | Gonzalo Achondo v Mason Beiler | 3-6,0-6 |
| ITF USA F40 Qual | 2017/12/02 16:00 | Jack Vance v Gonzalo Achondo | 3-6,6-4,4-6 |
| ITF USA F39 Qual | 2016/11/26 18:00 | Noe Khlif v Gonzalo Achondo | 6-3,6-3 |
| ITF USA F32 Qual | 2016/10/17 17:25 | Julian Cash v Gonzalo Achondo | 6-1,6-2 |
| ITF USA F32 Qual | 2016/10/16 16:30 | Abhijeet Joshi v Gonzalo Achondo | 6-4,4-6,4-6 |
| ITF M15 Bad Waltersdorf | 2021/08/22 07:00 | David Tomic v Philip Bachmaier | 2-6,2-6 |
| ITF M15 Warmbad-Villach | 2021/08/18 09:40 | Alexander Weis v Philip Bachmaier | 6-1,7-5 |
| ITF M15 Warmbad-Villach | 2021/08/17 08:00 | Philip Bachmaier v Ondrej Horak | 6-2,6-0 |
| ITF M15 Warmbad-Villach | 2021/08/16 12:30 | Philip Bachmaier v Gonzalo Achondo | 6-1,6-3 |
| ITF M15 Warmbad-Villach | 2021/08/16 07:00 | Philip Bachmaier v David Tomic | 6-3,6-1 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/05 13:15 | Pawel Juszczak v Philip Bachmaier | 7-6,6-1 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/04 15:00 | Philip Bachmaier v Marek Gengel | 6-3,6-4 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/02 15:15 | Philip Bachmaier v Roman Postolka | 6-2,6-3 |